Don't get excited. There is a model 89 featured, but it's missing the escape wheel and verge. I have an 89IL in stock if you're interested in a whole movement. Trade me your fly rod and a pound of beef jerky?
Well Ern my flyrod has been broke for many years and I am a vegetarian so no jerky, I saw the movement on ebay with no escape, I need the wheel and verge also, I have had several 89's with bad escape wheels where you could not get an even tick tock, I have tried to adjust the teeth spacing with not much success, any suggestions?
Well this job started out as a profit job and has gone downhill from there, I will send you an email on the movement you have, I have a wheel cutter but my index plate is loose and I have not had time to repair, it is older than I am. I don,t do celery jerky either. I wish my flyrod had been broken with the big one that got away, but it was broken in the move to Alpine TX.
Your clock going in and out of beat as the escape wheel rotates could be an indication of an out-of-round escape wheel instead of one with poor indexing. Have you tried tipping the EW to get the teeth all the same length?
I check it on the lathe and it is true as far as round, but I could see where someone had bent three teeth closer together I tried to correct but it still has an uneven tick tock. I have tried numerous times to adjust and cannot get it right. To my eye it looks good, but to the ear it is not.
On escape wheels that have been badly damaged and have bent or broken tooth tips, I draw the teeth straight with a pair of flat, smooth jaw pliers. Depending on the tooth shape, I pull radially (if the tooth has a radial face), or at an angle (if the tooth has a rake). I do that for each tooth on the escape wheel. The result is a slight stretching and straightening of the teeth. The EW has to be tipped since the teeth are guaranteed to be different lengths. Then I index the teeth by making an impression of a set of properly spaced teeth in Rodoco. With the impression as a guide, I rotate the wheel and check the teeth for proper indexing.
To check for an out of round EW, I chuck up on one pivot while supporting the other in a female center in the tailstock, and feel with my finger while spinning the EW. If I feel any "bumps", ie. it doesn't feel smooth, then I tip the teeth with the tool bit in my cross slide. I take off as little as possible and check for roundness by looking at the tooth tips. The ones that have been machined will be shiny on the tips and the short ones will appear dark.
Also, chucking up on a pivot will show whether you have a bent pivot or bent shaft causing the problem.
I'm not sure if any if this will help in your case but there can't be too many reasons for a clock to run in and out of beat.